Tyson, K. W. (1997). Competition in the 21st century. St. Lucie Press.
Chicago Style (17th ed.) CitationTyson, Kirk W.M. Competition in the 21st Century. Delray Beach, FL: St. Lucie Press, 1997.
ציטוט MLATyson, Kirk W.M. Competition in the 21st Century. St. Lucie Press, 1997.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.